2987871

Information

• Patent Grant
• 2987871

• References
• Source

• Patent Number

  2,987,871

• Date Filed

  Not available

• Date Issued

  Tuesday, June 13, 1961
  63 years ago

• CPC

  • D01H7/602 - Rings
  • C23C8/52 - more than one element being applied in one step
  • C23C8/58 - more than one element being applied in more than one step

• US Classifications

  • 057 - Textiles: spinning, twisting, and twining
  • 148 - Metal treatment